Cross Sections (CSD) and Tolerances
The charts below are for FKM cord and meet RMA standards. If you need information on any other compound, or if a tighter tolerance is required for your project, please contact us.
Standard Cross Sections and Tolerances
| Black | Brown | ||
| CSD | Tolerance | CSD | Tolerance |
| .070 | +/-.004 | .070 | +/-.007 |
| .103 | +/-.005 | .103 | +/-.008 |
| .139 | +/-.006 | .139 | +/-.009 |
| .210 | +/-.008 | .210 | +/-.010 |
| .275 | +/-.010 | .275 | +/-.013 |
| .312 | +/-.012 | .312 | +/-.014 |
| .375 | +/-.013 | .375 | +/-.014 |
| .500 | +/-.018 | .500 | +/-.026 |
Standard Cut/Length Tolerances (in inches)
| Cut Tolerance | Length Tolerance | ID Tolerance | |
| 0 – 10 | +/- | 0.13 | 0.04 |
| 10 – 16 | 0.16 | 0.05 | |
| 16 – 25 | 0.20 | 0.06 | |
| 25 – 40 | 0.25 | 0.08 | |
| 40 – 63 | 0.32 | 0.10 | |
| 63 – 100 | 0.40 | 0.13 | |
| 101 – 150 | 0.50 | 0.16 | |
| 151 – 200 | 0.80 | 0.20 | |
| 201 – 250 | 1.00 | 0.32 | |
| 251 – 300 | 1.20 | .038 | |
| 301 + | (.004 X Cut Length) | (0.0012732 X Cut) |
| ID to Cut Length ID + 1 CS x 3.1416 = Cut Length Cut Length to ID CL / 3.1416 – 1 CS =ID |